20114431011 has 6 divisors (see below), whose sum is σ = 29054178140. Its totient is φ = 13409620668.

The previous prime is 20114431009. The next prime is 20114431013. The reversal of 20114431011 is 11013441102.

20114431011 is a `hidden beast` number, since 201 + 1 + 443 + 10 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (20114431009) and next prime (20114431013).

It is not a de Polignac number, because 20114431011 - 2¹ = 20114431009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20114431013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117468381 + ... + 1117468398.

Almost surely, 2^20114431011 is an apocalyptic number.

20114431011 is a deficient number, since it is larger than the sum of its proper divisors (8939747129).

20114431011 is a wasteful number, since it uses less digits than its factorization.

20114431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234936785 (or 2234936782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20114431011 its reverse (11013441102), we get a palindrome (31127872113).

The spelling of 20114431011 in words is "twenty billion, one hundred fourteen million, four hundred thirty-one thousand, eleven".